* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background: #eff0f2;
}
.article_content {
    max-width: 1000px;

    margin: 16px auto;
}
.article_content ul {
    display: flex;
    flex-direction: column;
}

.article_content ul li {
    padding: 9px 6px;
       background: #fff;
    list-style: none;
    display: flex;
flex-direction: row;
    margin: 13px 0;
}

.content_img {
    width: 199px;
    height: auto;
    border-radius: 6px;
}
.content_img img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}